# Compound Interest Calculator - Getting Interest On Interest

Use the Compound Interest Calculator to determine how much money you would accumulate by investing a given amount of money at a fixed annual rate of return for a specified period in years.

For example, if you invested $1,000 at a 5 percent annual rate of return, after 10 years you would have $1,628.89.

**Form Input **

On the calculator form, enter only numbers (with or without decimal points).

Do not enter currency symbols like dollar signs, commas or percent signs.